A wireless mic and rechargeable batteries make AmpliVox's Mity-Vox Wireless Portable PA System easy to use anywhere – just flip it on and you're ready to go. Audio input makes it a cinch to include music tracks in your presentation and the 20-watt amplifier is perfect for reaching groups of up to 150. A carrying case keeps the system together and a built-in handle makes it simple to transport. Includes a wireless handheld mic and a lapel mic.